package cn.itcast.mapper;

import cn.itcast.pojo.Member;

public interface MemberMapper {
    //根据手机号查询会员
    public Member findByTelephone(String telephone);
    //增加会员
    public void add(Member member);


    //本日新增会员数
    Integer findMemberCountByDate(String today);
    //总会员数
    Integer findMemberTotalCount();
    //新增会员数
    Integer findMemberCountAfterDate(String thisMonday);
}
